The Coupling,clamp,grooved, cataloged under National Stock Number 5342-01-529-8283, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-01-529-8283 |
| Primary Part Number | 4451A1590M |
| Item Name | Coupling,clamp,grooved |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| Root Width | 0.400 INCHES NOMINAL IN |
| Retainer Width | 0.910 INCHES NOMINAL IN |
| Drilled Lockwire Hole | NOT INCLUDED |
| Shape | ROUND |
| Cross-Sectional Shape Style | GROOVED RETAINER |
| Sealing Inner Liner | INCLUDED |
| Inside Diameter | 15.900 INCHES NOMINAL IN |
| Height | 0.281 INCHES NOMINAL IN |
| Nut Type | PLAIN HEXAGON |
| Segment Quantity | 1 |
| Latch Style | DOUBLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4451A1590M PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| 4451A1590-M | Saywell International Limited (GBR) |
| Reference | Meaning |
|---|---|
| 4451A1590 | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
NSN 5342-01-529-8283 is a Coupling,clamp,grooved, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-529-8283 has 2 manufacturer part numbers on file: 4451A1590M (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 4451A1590-M (Saywell International Limited).
Key specifications for 4451A1590M: Root Width: 0.400 INCHES NOMINAL IN; Retainer Width: 0.910 INCHES NOMINAL IN; Drilled Lockwire Hole: NOT INCLUDED; Shape: ROUND. 11 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.